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If you have registered your copy of Dyalog or have a commercial licence then you will have been sent a Dyalog serial number; this serial number is individual to you and corresponds to the type of licence that you are entitled to use.
Dyalog Ltd recommends setting the serial number either by editing a file containing the serial number directly or by running a function in a Dyalog Session to update the file containing the serial number. The next time Dyalog is started after setting the serial number, the DYALOG_SERIAL environment variable is set to the contents of this file. However, if the DYALOG_SERIAL environment variable already exists and has a non-empty value, then its value is not updated.
In a multi-user environment it might be desirable to set the DYALOG_SERIAL environment variable in a system configuration file so that the serial number is held in a single location.
To set your Dyalog serial number by editing the serial number file directly, edit the $HOME/.dyalog/serial1 text file so that it contains just the string serialnumber, where serialnumber is your Dyalog serial number.
To set your Dyalog serial number from within a Session:
where serialnumber is your Dyalog serial number. This updates the value stored in the serial number file $HOME/.dyalog/serial. To complete the process you must exit and restart the Session.
When you start a Session, your serial number is displayed in the banner . To see your serial number at any time, enter:
+2⎕NQ'.' 'GetEnvironment' 'DYALOG_SERIAL'
Using or entering a serial number other than the one issued to you is not permitted. Transferring the serial number to anyone else is not permitted.
For the full licence terms and conditions, see: